package com.itheima.filter;


import javax.servlet.*;
import javax.servlet.annotation.WebFilter;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;

/**
 * @Author: 祺诺
 * @Name; xqf
 * @Date: 2021/1/3 20:38
 */
@WebFilter("/*")
public class CharacterEncodingFilter implements Filter {
    //过滤所有的运行文件 进行编码过滤 方式乱码
    @Override
    public void doFilter(ServletRequest servletRequest, ServletResponse servletResponse, FilterChain filterChain) throws IOException, ServletException {
        HttpServletRequest req  = (HttpServletRequest) servletRequest;
        HttpServletResponse resp = (HttpServletResponse) servletResponse;
        req.setCharacterEncoding("utf-8");
        resp.setContentType("text/html;charset=utf-8");
        filterChain.doFilter(req,resp);
    }
}
